 add missing tests for indian language sentence tokenizer
 add missing tests for indian language sentence tokenizer

Signed-off-by: inishchith <9890df581980f0d969056cd17582c6873ab7073c@gmail.com>

LBenzahia/cltk,LBenzahia/cltk,D-K-E/cltk,cltk/cltk,diyclassics/cltk,kylepjohnson/cltk,TylerKirby/cltk,TylerKirby/cltk